20981326464

素因数分解:

$2^7\times 3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1901

約数の個数: 384

約数和(自身を含む): 72876960000

約数和(自身を除く): 51895633536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 64, 72, 84, 87, 96, 98, 112, 116, 126, 128, 144, 147, 168, 174, 192, 196, 203, 224, 232, 252, 261, 288, 294, 336, 343, 348, 384, 392, 406, 441, 448, 464, 504, 522, 576, 588, 609, 672, 686, 696, 784, 812, 882, 896, 928, 1008, 1029, 1044, 1152, 1176, 1218, 1344, 1372, 1392, 1421, 1568, 1624, 1764, 1827, 1831, 1856, 2016, 2058, 2088, 2352, 2436, 2688, 2744, 2784, 2842, 3087, 3136, 3248, 3528, 3654, 3662, 3712, 4032, 4116, 4176, 4263, 4704, 4872, 5488, 5493, 5568, 5684, 6174, 6272, 6496, 7056, 7308, 7324, 8064, 8232, 8352, 8526, 9408, 9744, 9947, 10976, 10986, 11136, 11368, 12348, 12789, 12817, 12992, 14112, 14616, 14648, 16464, 16479, 16704, 17052, 18816, 19488, 19894, 21952, 21972, 22736, 24696, 25578, 25634, 25984, 28224, 29232, 29296, 29841, 32928, 32958, 33408, 34104, 38451, 38976, 39788, 43904, 43944, 45472, 49392, 51156, 51268, 53099, 56448, 58464, 58592, 59682, 65856, 65916, 68208, 76902, 77952, 79576, 87888, 89523, 89719, 90944, 98784, 102312, 102536, 106198, 115353, 116928, 117184, 119364, 131712, 131832, 136416, 153804, 159152, 159297, 175776, 179046, 179438, 181888, 197568, 204624, 205072, 212396, 230706, 233856, 234368, 238728, 263664, 269157, 272832, 307608, 318304, 318594, 351552, 358092, 358876, 371693, 395136, 409248, 410144, 424792, 461412, 477456, 477891, 527328, 538314, 545664, 615216, 628033, 636608, 637188, 703104, 716184, 717752, 743386, 807471, 818496, 820288, 849584, 922824, 954912, 955782, 1054656, 1076628, 1115079, 1230432, 1256066, 1273216, 1274376, 1432368, 1435504, 1486772, 1614942, 1636992, 1640576, 1699168, 1845648, 1884099, 1909824, 1911564, 2109312, 2153256, 2230158, 2460864, 2512132, 2548752, 2601851, 2864736, 2871008, 2973544, 3229884, 3345237, 3398336, 3691296, 3768198, 3819648, 3823128, 4306512, 4460316, 4921728, 5024264, 5097504, 5203702, 5652297, 5729472, 5742016, 5947088, 6459768, 6690474, 6796672, 7382592, 7536396, 7646256, 7805553, 8613024, 8920632, 10048528, 10195008, 10407404, 11304594, 11458944, 11484032, 11894176, 12919536, 13380948, 14765184, 15072792, 15292512, 15611106, 17226048, 17841264, 18212957, 20097056, 20390016, 20814808, 22609188, 23416659, 23788352, 25839072, 26761896, 30145584, 30585024, 31222212, 34452096, 35682528, 36425914, 40194112, 41629616, 45218376, 46833318, 47576704, 51678144, 53523792, 54638871, 60291168, 61170048, 62444424, 71365056, 72851828, 80388224, 83259232, 90436752, 93666636, 103356288, 107047584, 109277742, 120582336, 124888848, 142730112, 145703656, 163916613, 166518464, 180873504, 187333272, 214095168, 218555484, 241164672, 249777696, 291407312, 327833226, 333036928, 361747008, 374666544, 428190336, 437110968, 499555392, 582814624, 655666452, 723494016, 749333088, 874221936, 999110784, 1165629248, 1311332904, 1498666176, 1748443872, 2331258496, 2622665808, 2997332352, 3496887744, 5245331616, 6993775488, 10490663232, 20981326464]

約数ペア:

[(1, 20981326464), (2, 10490663232), (3, 6993775488), (4, 5245331616), (6, 3496887744), (7, 2997332352), (8, 2622665808), (9, 2331258496), (12, 1748443872), (14, 1498666176), (16, 1311332904), (18, 1165629248), (21, 999110784), (24, 874221936), (28, 749333088), (29, 723494016), (32, 655666452), (36, 582814624), (42, 499555392), (48, 437110968), (49, 428190336), (56, 374666544), (58, 361747008), (63, 333036928), (64, 327833226), (72, 291407312), (84, 249777696), (87, 241164672), (96, 218555484), (98, 214095168), (112, 187333272), (116, 180873504), (126, 166518464), (128, 163916613), (144, 145703656), (147, 142730112), (168, 124888848), (174, 120582336), (192, 109277742), (196, 107047584), (203, 103356288), (224, 93666636), (232, 90436752), (252, 83259232), (261, 80388224), (288, 72851828), (294, 71365056), (336, 62444424), (343, 61170048), (348, 60291168), (384, 54638871), (392, 53523792), (406, 51678144), (441, 47576704), (448, 46833318), (464, 45218376), (504, 41629616), (522, 40194112), (576, 36425914), (588, 35682528), (609, 34452096), (672, 31222212), (686, 30585024), (696, 30145584), (784, 26761896), (812, 25839072), (882, 23788352), (896, 23416659), (928, 22609188), (1008, 20814808), (1029, 20390016), (1044, 20097056), (1152, 18212957), (1176, 17841264), (1218, 17226048), (1344, 15611106), (1372, 15292512), (1392, 15072792), (1421, 14765184), (1568, 13380948), (1624, 12919536), (1764, 11894176), (1827, 11484032), (1831, 11458944), (1856, 11304594), (2016, 10407404), (2058, 10195008), (2088, 10048528), (2352, 8920632), (2436, 8613024), (2688, 7805553), (2744, 7646256), (2784, 7536396), (2842, 7382592), (3087, 6796672), (3136, 6690474), (3248, 6459768), (3528, 5947088), (3654, 5742016), (3662, 5729472), (3712, 5652297), (4032, 5203702), (4116, 5097504), (4176, 5024264), (4263, 4921728), (4704, 4460316), (4872, 4306512), (5488, 3823128), (5493, 3819648), (5568, 3768198), (5684, 3691296), (6174, 3398336), (6272, 3345237), (6496, 3229884), (7056, 2973544), (7308, 2871008), (7324, 2864736), (8064, 2601851), (8232, 2548752), (8352, 2512132), (8526, 2460864), (9408, 2230158), (9744, 2153256), (9947, 2109312), (10976, 1911564), (10986, 1909824), (11136, 1884099), (11368, 1845648), (12348, 1699168), (12789, 1640576), (12817, 1636992), (12992, 1614942), (14112, 1486772), (14616, 1435504), (14648, 1432368), (16464, 1274376), (16479, 1273216), (16704, 1256066), (17052, 1230432), (18816, 1115079), (19488, 1076628), (19894, 1054656), (21952, 955782), (21972, 954912), (22736, 922824), (24696, 849584), (25578, 820288), (25634, 818496), (25984, 807471), (28224, 743386), (29232, 717752), (29296, 716184), (29841, 703104), (32928, 637188), (32958, 636608), (33408, 628033), (34104, 615216), (38451, 545664), (38976, 538314), (39788, 527328), (43904, 477891), (43944, 477456), (45472, 461412), (49392, 424792), (51156, 410144), (51268, 409248), (53099, 395136), (56448, 371693), (58464, 358876), (58592, 358092), (59682, 351552), (65856, 318594), (65916, 318304), (68208, 307608), (76902, 272832), (77952, 269157), (79576, 263664), (87888, 238728), (89523, 234368), (89719, 233856), (90944, 230706), (98784, 212396), (102312, 205072), (102536, 204624), (106198, 197568), (115353, 181888), (116928, 179438), (117184, 179046), (119364, 175776), (131712, 159297), (131832, 159152), (136416, 153804)]